Patents Assigned to Seiren Co., Ltd.
-
Publication number: 20210140073Abstract: Provided is an airbag base fabric that is a woven fabric constituted by a yarn containing polyethylene terephthalate as the main raw material, the yarn constituting the woven fabric having a total fineness of 280 to 500 dtex and a single fiber fineness of 1.0 to 3.9 dtex, the woven fabric having a cover factor of 2400 to 2800, and the D-value calculated from the thickness D1 of a single sheet of the base fabric and the thickness D10 of ten sheets of the base fabric that are stacked together being 0.Type: ApplicationFiled: March 26, 2019Publication date: May 13, 2021Applicant: SEIREN CO.,LTD.Inventors: Shota KODERA, Tsuyoshi HOURAIYA
-
Publication number: 20210130993Abstract: A double raschel knitted fabric is disclosed which is excellent in a strength although openings are formed. A double raschel knitted fabric is provided including outer/lining textures and a joining portion that connects them to each other, in which the outer texture has openings, and a total overlapping fineness of sinker loops in the lining texture, which is calculated by the following calculation formula, is 400 dtex to 1800 dtex. The total overlapping fineness of sinker loops (dtex)??K?1n (The fineness of a ground yarn fed from a kth guide bar (dtex)) ??[Eq.Type: ApplicationFiled: June 15, 2018Publication date: May 6, 2021Applicant: SEIREN CO., LTD.Inventors: Noritaka Mizukami, Fumio Shirasaki
-
Patent number: 10926440Abstract: Provided is a laminate sheet in which, on one surface of a resin layer having optical transparency, a colored layer and a backing layer are sequentially laminated, and on the other surface of the resin layer, a pattern layer made of an ionizing radiation curable resin and having optical transparency is laminated. The pattern layer has a softening temperature of 140 to 160° C., and the resin layer, the colored layer, and the backing layer have softening temperatures of 120° C. or lower. The surface of the pattern layer has a concavo-convex shape and the thickness thereof is continuously varied.Type: GrantFiled: September 22, 2015Date of Patent: February 23, 2021Assignee: Seiren Co., Ltd.Inventors: Tsuyoshi Kayanoki, Shuya Takashima
-
Publication number: 20210040683Abstract: In a skin material, a front face of a first fibrous base material is a first color and a front face of a second fibrous base material is a second color. The second fibrous base material is laminated on a back face of the first fibrous base material. A through hole of the first fibrous base material penetrates the first fibrous base material in a laminating direction. A dimension of the through hole in a first direction is set to a first value (N1). A dimension of the through hole in a second direction is set to a second value (N2). A dimension of the through hole in the laminating direction is set to a third value (N3). The first value (N1) and the second value (N2) are set to be 0.38 times or more and 12 times or less with respect to the third value (N3).Type: ApplicationFiled: October 31, 2019Publication date: February 11, 2021Applicant: SEIREN CO., LTD.Inventor: Yusuke Wanibuchi
-
Publication number: 20210016739Abstract: The present invention relates to an airbag base fabric including a woven fabric made from a yarn containing polyethylene terephthalate as the main raw material, the yarn having a single fiber fineness of 1.0 to 3.9 dtex and a total fineness of 280 to 470 dtex, and, in a Raman spectrum obtained by irradiating the yarn with a He—Ne laser with a wavelength of 630 nm, Ix/I0 being 1.20 or more, where Ix is the spectral intensity at 3083 cm?1, and I0=277.4.Type: ApplicationFiled: March 26, 2019Publication date: January 21, 2021Applicant: SEIREN CO., LTD.Inventors: Shota KODERA, Tsuyoshi HOURAIYA
-
Publication number: 20210001592Abstract: A decorative sheet includes a base material and a concave portion. The concave portion is provided on a front face of the base material. In the concave portion, a depth direction coincides with a thickness direction of the base material. The concave portion includes a first concavo-convex pattern and a second concavo-convex pattern. The first concavo-convex pattern is provided in a first region of an inner surface of the concave portion. The second concavo-convex pattern is a concavo-convex pattern different from the first concavo-convex pattern. The second concavo-convex pattern is provided in a second region of the inner surface of the concave portion which is different from the first region.Type: ApplicationFiled: January 22, 2019Publication date: January 7, 2021Applicant: SEIREN CO., LTD.Inventor: Shigeru Nakajima
-
Patent number: 10883204Abstract: A conductive woven fabric consisting of multiple weft yarns and multiple warp yarns and having at least one conductive part, wherein one of weft and warp is consisting of non-conductive yarns and the other of weft and warp is consisting of conductive yarns and non-conductive yarns which are parallel to each other, characterized in that said non-conductive yarns parallel to the conductive yarns are shrinking-processed yarns and the conductive part is formed by a repeating woven structure wherein the conductive yarns pass through the upper side of at least two of non-conductive yarns orthogonal to the conductive yarns and then pass through the back side of at least one of non-conductive yarns orthogonal to the conductive yarns, and a process for producing the same, and also provides a conductive member using the same.Type: GrantFiled: March 25, 2019Date of Patent: January 5, 2021Assignee: SEIREN CO., LTD.Inventors: Yoshihiro Shimizu, Nobuaki Ankyu
-
Publication number: 20200406529Abstract: A decorative sheet includes a base material and a plurality of concave portions. The plurality of concave portions are provided on a front face of the base material. In the concave portion, a depth direction coincides with a thickness direction of the base material. The plurality of concave portions includes a first concave portion and a second concave portion. The first concave portion includes a first concavo-convex pattern on a first inner surface of the first concave portion. The second concave portion does not include the first concavo-convex pattern on a second inner surface of the second concave portion.Type: ApplicationFiled: January 22, 2019Publication date: December 31, 2020Applicant: SEIREN CO., LTD.Inventor: Shigeru Nakajima
-
Publication number: 20200376742Abstract: In an emboss fabrication apparatus, an emboss roll includes, on an outer periphery, a molded portion having a concavo-convex shape. A first backup roll sandwiches, together with the emboss roll, a base material. A first heating unit heats the first backup roll. A second backup roll sandwiches, together with the emboss roll, the base material. A contact unit is provided opposite to the emboss roll in a first range. The contact unit contacts a back face of the base material.Type: ApplicationFiled: July 13, 2018Publication date: December 3, 2020Applicant: SEIREN CO., LTD.Inventor: Masaru Yoshimura
-
Publication number: 20200324508Abstract: A composite material for vehicle interior, including: a skin material disposed at one outermost side of the composite material, and having a first principal surface and a second principal surface opposite the first principal surface; and a backing material disposed at the other outermost side of the composite material, so as to face the second principal surface of the skin material. The skin material is formed of a fiber structure body, and has a plurality of first fold lines of folding with the first principal surface of the skin material outward, and a plurality of second fold lines of folding with the first principal surface inward. The first fold lines adjacent to each other are parallel to each other or form an acute angle ?1 of 10° or less, the second fold lines adjacent to each other are parallel to each other or form an acute angle ?2 of 10° or less, and the first fold line and the second fold line adjacent to each other are parallel to each other or form an acute angle ?12 of 10° or less.Type: ApplicationFiled: June 4, 2018Publication date: October 15, 2020Applicant: SEIREN CO., LTD.Inventor: Daisuke Kawabata
-
Publication number: 20200316846Abstract: In an embossing apparatus, an embossing die includes a concavo-convex shaped molding unit. The molding unit is in contact with a front face of a base material. An embossing receiving die includes an elastic unit made of resin. The elastic unit is in contact with a back face of the base material. In the molding unit, a height difference (?H) between a top portion of a convex portion and a bottom portion of a concave portion is a first value. In the elastic unit, a surface which forms an outer surface of the embossing receiving die is a smooth surface. In the elastic unit, a thickness (T) in a direction perpendicular to the outer surface of the embossing receiving die is a second value equal to or greater than the first value. The embossing die and the embossing receiving die sandwich the base material between the molding unit and the elastic unit.Type: ApplicationFiled: September 22, 2018Publication date: October 8, 2020Applicant: SEIREN CO., LTD.Inventor: Shigeru Nakajima
-
Publication number: 20200307497Abstract: A non-coated air bag fabric according to the present invention is woven using fibers containing polyethylene terephthalate as a main raw material, the fabric has a cover factor of 2350 or more, and a single fiber fineness of a yarn that constitutes the fabric is 2.0 dtex to 4.0 dtex inclusive.Type: ApplicationFiled: September 27, 2018Publication date: October 1, 2020Applicant: SEIREN CO., LTD.Inventor: Shota KODERA
-
Publication number: 20200282884Abstract: In a decorative sheet, a base material has a concave portion on a front face. The concave portion includes a bottom surface. The bottom surface includes a first surface, a second surface and a third surface. A depth dimension of the first surface is a first value. The depth dimension is a dimension from the front face of the base material along a thickness direction of the base material. The depth dimension of the second surface is a second value which is smaller than the first value. The third surface is a surface which is connected with the first surface at a back side of the thickness direction, and is connected with the second surface at a front side of the thickness direction.Type: ApplicationFiled: March 3, 2020Publication date: September 10, 2020Applicant: SEIREN CO., LTD.Inventors: Shigeru Nakajima, Nobuyuki Aoki
-
Publication number: 20200282631Abstract: An embossing die is provided to an embossing apparatus. The embossing die is heated by a heating unit which is provided to the embossing apparatus. The embossing die includes a convex shaped mold portion. The mold portion corresponds to one concave portion formed on a front face of a base material. The mold portion is an aggregate of a plurality of protrusions which are divided by a slit. The slit is provided to an outer surface of the mold portion which contacts the front face of the base material. In the slit, a cutting direction corresponds to a height direction of the mold portion. The plurality of protrusions are adjacent to each other through the slit.Type: ApplicationFiled: March 3, 2020Publication date: September 10, 2020Applicant: SEIREN CO., LTD.Inventors: Shigeru Nakajima, Nobuyuki Aoki
-
Patent number: 10760188Abstract: Provided is a non-coated air bag fabric made from polyethylene terephthalate, and the fabric is woven using fibers containing polyethylene terephthalate as the main raw material, the fabric having a cover factor of 2300 or more, Z calculated using the equation below is 8200 or more, and a height difference between recesses and protrusions on the surface of the fabric is less than 130 ?m. Z=cover factor/thickness (mm).Type: GrantFiled: September 27, 2017Date of Patent: September 1, 2020Assignee: SEIREN CO., LTD.Inventors: Shota Kodera, Tsuyoshi Houraiya
-
Publication number: 20200254957Abstract: A non-coated air bag fabric is a fabric constituted by synthetic fibers, and the fabric has a cover factor of 2300 or more, a height difference between a recess and a protrusion on a surface of the fabric is less than 130 ?m, and a P ratio expressed by the following equation is 0.85 to 1.15 inclusive. The P ratio=HP100/HP80 where HP80 indicates air permeability after a load is applied to the fabric under a condition of 80° C., and HP100 indicates air permeability after a load is applied to the fabric under a condition of 100° C.Type: ApplicationFiled: September 27, 2018Publication date: August 13, 2020Applicant: SEIREN CO., LTD.Inventor: Tsuyoshi HOURAIYA
-
Patent number: 10737656Abstract: Provided is a fabric for an air bag that is constituted by synthetic fibers, and the warp and the weft of the fabric have a tensile strength of 600 N/cm or more, an air flow rate of the fabric under a differential pressure of 20 kPa is 1.0 L/cm2·min or less, and an average stress of the warp and the weft that is required to additionally elongate the fabric from a 1.0% elongation state to a 3.0% elongation state is 15 N/cm or more, and an average stress of the warp and the weft that is required to additionally elongate the fabric from the 3.0% elongation state to a 5.0% elongation state is 15 N/cm or more.Type: GrantFiled: September 26, 2016Date of Patent: August 11, 2020Assignee: SEIREN CO., LTD.Inventor: Tsuyoshi Houraiya
-
Patent number: 10737461Abstract: A conductive member includes a conductive fabric containing warp and weft as well as a support, includes at least one linear bend, and is imparted with electrical conductivity across the linear bend. In the conductive member, an angle formed between the linear bend and one of the warp and the weft is 5 to 45° C. The conductive fabric is preferably a conductive fabric obtained by layering a metal coating, formed by a wet plating method, on a fabric including a synthetic fiber.Type: GrantFiled: August 18, 2016Date of Patent: August 11, 2020Assignee: Seiren Co., Ltd.Inventor: Takayuki Sasaki
-
Publication number: 20200247348Abstract: A non-coated air bag base cloth of the present invention is constituted by a fabric formed using a yarn containing polyethylene terephthalate as a main raw material, in which a single fiber strength of a yarn of the fabric is 7.30 to 8.50 cN, a single fiber fineness of a yarn of the fabric is 1.6 to 3.9 dtex, and a cover factor is 2400 to 2800.Type: ApplicationFiled: September 27, 2018Publication date: August 6, 2020Applicant: SEIREN CO., LTD.Inventors: Shota KODERA, Tsuyoshi HOURAIYA
-
Patent number: 10717250Abstract: Provided is an embossed product on which a deep bumpy design is formed and which is also excellent in terms of a bumpy design shape-imparting property and cushioning performance and durability thereof. A composite material for embossing is a composite material in which a flexible polyurethane foam sheet is laminated on one surface of a skin material, in which the flexible polyurethane foam sheet has a thickness of 3 to 15 mm and a compression percentage of 5% to 40% in a temperature range of 100° C. to 150° C. In addition, an embossed product is obtained by embossing a surface of the skin material of the composite material for embossing.Type: GrantFiled: September 23, 2016Date of Patent: July 21, 2020Assignee: Seiren Co., Ltd.Inventor: Masaru Yoshimura